| 蒙—甘—新相邻（北山）地区两种新类型贵重金属矿床的发现及其意义 |
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| 关键词:Precious metal deposit Hercynian igneous rocks Baishan Re(Mo) deposit Liushashan Au(Mo) deposit Inner Mongolia-Gansu-Xinjiang juncture (Beishan) area |
| 基金项目:国家自然科学基金项目(编号:40073015)，国家地质调查项目(编号:K1.3.2 2) |
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| The Discovery of Two New Precious Metal Deposits in the Inner Mongolia-Gansu-Xinjiang Juncture (Beishan) Area and Its Geological Significance |
| Located in the convergence area of Siberian, Kazakhstanian-Beishan and Tarim paleo-plates, the Inner Mongolia-Gansu-Xinjiang juncture area (Beishan) is one of the most important metallogenic provinces in China. Deep-seated faults, Paleozoic igneous rocks and precious metal deposits (spots) are well developed in this area due to the multiphase Paleozoic events. Recently, systematic geological investigations on the mineral resources of this area have made a breakthrough both in basic theoretic studies and mineral exploration of the precious metal deposits. Most of these precious metal deposits show an intimate relationship with the Hercynian tectonism and magmatism. Among these deposits, the Beishan Re(Mo) and the Liushashan Au(Mo) deposits discovered in 1996 and 1999 have attracted the attention of geologists both at home and abroad. An integrated analysis of the geological setting as well as geological and geochemical features of these two deposits will greatly upgrade the understanding of the ore-forming processes of the Re (Mo) and Au (Mo) deposits. Meanwhile, the genetic model and mineral exploration criteria of these two unique precious metal deposits can also be used to make comprehensive evaluation of the concealed precious metal deposits in the Inner Mongolia-Gansu-Xinjiang juncture (Beishan) area. |
| NIE Feng-jun,JIANG Si-hong,ZHAO Sheng-min,BAI Da-ming.2001.The Discovery of Two New Precious Metal Deposits in the Inner Mongolia-Gansu-Xinjiang Juncture (Beishan) Area and Its Geological Significance[J].Acta Geoscientica Sinica,22(5):397-402. |
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